Table 2 Association between variables and adequacy and inadequacy (insufficient and excessive) gestational weight gain in pregnancy women. University Hospital from a Metropolitan area of Rio de Janeiro, Brazil, 2019

Maternal age

0.197^**

≤ 35 years old

21.1

26.6

52.3

> 35 years old

28.2

12.8

59.0

Race/ethnicity

0.812

White

19.2

23.1

57.7

Black/mixed

23.1

24.1

52.8

Marital status

0.165^**

Single/Divorced/Widowed

23.3

19.8

56.9

Married

18.2

34.1

47.8

Educational level

0.021^**

< 9

11.1

48.1

40.7

9-15

24.6

19.5

55.9

≥ 16

20.0

13.3

66.7

Consumption of potable water

0.479

Yes

20.0

24.0

56.0

No

29.4

23.5

47.1

Family income

0.950

≤ 2 minimum wages

22.7

23.6

53.6

> 2 minimum wages

20.4

25.0

54.5

Level of Security/Food insecurity (FI)

0.099^**

Food security

21.7

23.2

55.1

Mild FI

30.3

21.2

48.5

Moderate/severe FI

-

31.6

68.4

Gestational trimester in first antenatal care PHC^c

0.928

1^st trimester

21.8

20.8

57.4

2^nd - 3^rd trimester

20.7

24.1

55.2

Gestational trimester in first antenatal care UH^d

1^st trimester

22.2

22.2

55.6

0.971

2^nd-3^rdtrimester

21.7

24.2

54.2

Number visits prenatal

0.178^**

< 8

23.7

17.5

58.7

≥ 8

20.0

30.0

50.0

Number previous pregnancy

0.633

1

17.4

28.3

54.4

2 - 3

27.1

25.4

47.5

≥ 4

13.0

30.4

56.5

Consumption of alcohol

0.129^**

Yes

27.3

45.4

27.3

No

21.5

22.1

56.4

Current smoker

0.021^**

Yes

10.0

60.0

30.0

No

22.7

21.3

56.0

Pre pregnancy BMI^b

0.874

Low weight

25.0

25.0

50.0

Normal

27.3

21.8

50.9

Overweight/Obese

19.6

24.7

55.7

Weeks’ gestation at delivery

0.193^**

< 40 weeks

33.3

18.2

48.5

≥ 40 weeks

18.6

27.9

53.5